KMC Controls CTC-1611/1612 One-Pipe Pneumatic, Room Thermostats Data Sheet
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Description and Application 1
Features 1
Models 1
Specifications 1
Accessories 2
Dimensions and Details 2
CTC-1611/1612
One-Pipe, Pneumatic, Room Thermostats
Description and Application
These single-setpoint, one-pipe thermostats are designed for proportional control of pneumatic valve and damper actuators used in HVAC systems.
A highly sensitive bimetal element with feedback is used for accuracy and stability.
Models are available for direct or reverse acting proportional action. The throttling range is factory set and field adjustable. Setpoints are adjusted using sliders which can be locked or limited using setpoint stops (HFO-0027).
The thermostats require a scale plate assembly, cover, and an external 14.4 scim restrictor in the supply line. See the Accessories section for a variety of options.
Features
♦ Sensitive bimetal element provides consistent, accurate feedback
♦ Direct or reverse acting proportional control of valve or damper actuators (see the Models section)
♦ Field-adjustable throttling range
Models
CTC-1611
CTC-1612
Direct acting
Reverse acting
(Shown with Horizontal Scale Plate and Light Almond Cover Installed)
Specifications
Setpoint Range 55 to 85° F (13 to 29° C)
Throttling Range 3° to 12° F (1.7° to 6.7° C) factory set @ 3° F, field adjustable up to 12° F
Calibration 9 psi (62 kPa) branch pressure
Air
Supply Pressure 20 psi (138 kPa), 30 psi (207 kPa) maximum, supplied through a 14.4 scim (3.9 mL/s) restrictor sold separately
Output Capacity 14.4 scim or less when using a proper restrictor
Consumption
Material
Weight
Temperature Limits
14.4 scim or less when using proper restrictor
Black flame-retardant plastic
3 oz. (85 grams)
Operating
Shipping
40° to 120° F (4° to 49° C)
–40° to 140° F (–40° to 60° C)
Specifications and design subject to change without notice.
Accessories
Backplate kit (allows thermostat to be mounted to
2x4 handy box, includes 2 #6-32 screws and decorative matching 2.75 x 4.5" plate):
HMO-5024 Light almond w/ aluminum trim
HMO-5026
HMO-5030
White w/ aluminum trim
Light almond
HMO-5031 White
Thermostat scale plates (includes 2 each HPO-0046 scale plate pins):
HPO-0047-10
HPO-0048-10
° F, horizontal
° F, vertical
HPO-0049-11
HPO-0050-11
° C, horizontal
° C, vertical
Dimensions and Details
All dimension are in inches (mm)
Thermostat covers, blank :
HPO-1501 Light almond ABS plastic
HPO-1502
HPO-1503
White ABS plastic
Brushed aluminum
Thermostat covers, full window :
HPO-1511
HPO-1512
HPO-1513
Light almond ABS plastic
White ABS plastic
Brushed aluminum
Miscellaneous accessories:
HFO-0027 Setpoint stop strip, 4 “stops” per strip
HFO-0028
HMO-5023
Tubing kit, 3/32" ID
Mounting strap for mounting on hollow walls, includes 2 #6-
32 x 2" screws and “template” printed on envelope
HPO-0044
HPO-0046
HPO-1320
Replacement thermostat cover screws
Replacement scale plate pins
Replacement label strip (1 furnished with each cover), 3 labels per strip (for day/night, summer/winter or heating/cooling indication)
CAUTION
Pneumatic devices must be supplied with clean, dry control air. Any other medium (e.g., oil or moisture contamination) will cause the device to fail.
Cover
Height
(not shown)
= 1-7/8"
(47 mm)
© 2014 KMC Controls, Inc.
KMC Controls, Inc.
19476 Industrial Drive, New Paris, IN 46553
574.831.5250
www.kmccontrols.com; [email protected]
510-035-01H

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